JP2015161331A5 - - Google Patents

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JP2015161331A5
JP2015161331A5 JP2014035363A JP2014035363A JP2015161331A5 JP 2015161331 A5 JP2015161331 A5 JP 2015161331A5 JP 2014035363 A JP2014035363 A JP 2014035363A JP 2014035363 A JP2014035363 A JP 2014035363A JP 2015161331 A5 JP2015161331 A5 JP 2015161331A5
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screw
bracket
interval
adjusting device
interval adjusting
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JP6285209B2 (en
JP2015161331A (en
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Priority to PCT/JP2015/055212 priority patent/WO2015129681A1/en
Priority to TW104106050A priority patent/TW201544723A/en
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シャフト２１は、一方の端面２１０に設けられ、差動ネジ２０の第二のネジ部２０２と螺合するネジ穴２１２と、他方の端面２１１に設けられ、後述の組立ボルト２５と螺合するネジ穴２１３と、を有する。なお、差動ネジ２０は、シャフト２１より短くてもよいし、長くてもよい。また、図示していないが、シャフト２１をスパナで回転させることができるように、シャフト２１の外周面にスパナ掛け用の平坦部を設けてもよい。例えば、シャフト２１を六角柱状とすることにより、あるいはシャフト２１の外周面に六角柱状の鍔部を設けることにより、スパナ掛け用の平坦部を設けてもよい。 The shaft 21 is provided on one end surface 210, a screw hole 212 that engages with the second screw portion 202 of the differential screw 20, and a screw that is provided on the other end surface 211 and that engages with an assembly bolt 25 described later. And a hole 213. Note that the differential screw 20 may be shorter or longer than the shaft 21. Further, although not shown, a flat portion for hanging the spanner may be provided on the outer peripheral surface of the shaft 21 so that the shaft 21 can be rotated by the spanner. For example, the flat part for spanner hanging may be provided by making the shaft 21 into a hexagonal column or by providing a hexagonal columnar collar on the outer peripheral surface of the shaft 21.

また、第二間隔調整装置３ａの円筒ネジ３５を、第二間隔調整装置３ａのブラケット３２の表面３２０側からブラケット３２に設けられたネジ穴３２２に螺合させる。このとき、円筒ネジ３５がブラケット３２から抜け落ちない程度の緩めに螺合させる。それから、第二間隔調整装置３ａのシャフト３１の他方の端面３１１を、ブラケット３２の表面３２０側からブラケット３２のネジ穴３２２に螺合させた円筒ネジ３５に挿入する。これにより、ブラケット３２のネジ穴３２に挿入された円筒ネジ３５が、シャフト３１にスライド自在に装着される。このとき、円筒ネジ３５をＲ方向に回転させて、ブラケット３２にシャフト３１を仮止めしてもよい（図３参照）。この場合、搬送レール４の裏面４１からブラケット３２の裏面３２１までの距離が搬送レール４の裏面４１からブラケット２２の裏面２２１までの距離より短くなる位置において、ブラケット３２にシャフト３１を仮止めする。 Moreover, the cylindrical screw 35 of the 2nd space | interval adjustment apparatus 3a is screwed by the screw hole 322 provided in the bracket 32 from the surface 320 side of the bracket 32 of the 2nd space | interval adjustment apparatus 3a. At this time, the cylindrical screw 35 is screwed so as not to fall off the bracket 32. Then, the other end surface 311 of the shaft 31 of the second interval adjusting device 3 a is inserted into the cylindrical screw 35 screwed into the screw hole 322 of the bracket 32 from the surface 320 side of the bracket 32. Thereby, the cylindrical screw 35 inserted in the screw hole 32 of the bracket 32 is slidably attached to the shaft 31. At this time, the cylinder screw 35 is rotated in the R direction, the shaft 31 to the bracket 32 may be temporarily fixed (see Fig. 3). In this case, the shaft 31 is temporarily fixed to the bracket 32 at a position where the distance from the back surface 41 of the transport rail 4 to the back surface 321 of the bracket 32 is shorter than the distance from the back surface 41 of the transport rail 4 to the back surface 221 of the bracket 22.

つぎに、図示していないスパナに第二間隔調整装置３ａの円筒ネジ３５の鍔部３５５を把持させ、このスパナを用いて円筒ネジ３５を、円筒ネジ３５の鍔部３５５が第二間隔調整装置３ａのブラケット３２の表面３２０と当接するまでＲ方向に回転させて、円筒ネジ３５をブラケット３２の表面３２０のネジ穴３２２に螺合させ、さらにねじ込むことにより、第二間隔調整装置３ａのシャフト３１を円筒ネジ３５（ブラケット３２）に固定する。 Next, a spanner (not shown) grips the flange 355 of the cylindrical screw 35 of the second interval adjusting device 3a, and the spanner 355 of the cylindrical screw 35 is connected to the cylindrical screw 35 using the spanner. The cylindrical screw 35 is rotated in the R direction until it abuts against the surface 320 of the bracket 32 of 3a, the cylindrical screw 35 is screwed into the screw hole 322 of the surface 320 of the bracket 32, and further screwed, whereby the shaft 31 of the second distance adjusting device 3a. Is fixed to the cylindrical screw 35 (bracket 32) .

本実施の形態によれば、搬送フレーム４および架台５間に所定の間隔をおいて配置された一対の第一間隔調整装置２ａ各々の差動ネジ２０を回転させることにより、差動ネジ２０の回転数と差動ネジ２０の第一のネジ部２０１および第二のネジ部２０２間のピッチ差分との積により定まる調整量分、搬送フレーム４と架台５との間隔ｈを増減することができるので、搬送フレーム４と架台５との間隔ｈをより細やかに調整することができる。また、この際、一対の第一間隔調整装置２ａ間に配置された第二間隔調整装置３ａのシャフト３１がブラケット２２に対してスライド自在となるように円筒ネジ３５を介して装着しておき、一対の第一間隔調整装置２ａによる間隔調整がおおよそ終了してから、円筒ネジ３５を回転させてシャフト３１をブラケット３２に固定することにより、第二間隔調整装置３ａに過剰な負荷かかるのを防止でき、間隔調整機構１ａが損傷する可能性を低減できる。 According to the present embodiment, the differential screw 20 is rotated by rotating the differential screw 20 of each of the pair of first interval adjusting devices 2a arranged at a predetermined interval between the transport frame 4 and the gantry 5. The distance h between the conveyance frame 4 and the gantry 5 can be increased or decreased by an adjustment amount determined by the product of the rotation speed and the pitch difference between the first screw portion 201 and the second screw portion 202 of the differential screw 20. Therefore, the distance h between the transport frame 4 and the gantry 5 can be adjusted more finely. At this time, the shaft 31 of the second distance adjusting device 3a disposed between the pair of first distance adjusting devices 2a is mounted via a cylindrical screw 35 so that the shaft 31 is slidable with respect to the bracket 22. from the end of roughly the distance adjustment by the pair of the first gap adjusting device 2 a, a cylindrical thread 35 is rotated by fixing the shaft 31 to the bracket 3 2, an excessive load according to the second spacing device 3a Can be prevented, and the possibility that the interval adjusting mechanism 1a is damaged can be reduced.

図示するように、本実施の形態に係る間隔調整機構１ｂが図１に示す第一実施の形態に係る間隔調整機構１ａと異なる点は、第一間隔調整装置２ａに代えて第一間隔調整装置２ｂを設けた点にある。その他の構成は第一実施形態に係る間隔調整機構１ａと同様である。第一間隔調整装置２ｂは、第一実施形態に係る間隔調整機構１ａの第一間隔調整装置２ａと同様、搬送レール４と架台５との間に所定の間隔をおいて少なくとも一対配置される。ここでは、一対の第一間隔調整装置２ｂを搬送レール４と架台５との間の両端部１０に配置し、第二間隔調整装置３ａを搬送レール４と架台５との間の中央部１１に配置している。 As shown in the figure, the distance adjustment mechanism 1b according to the present embodiment is different from the distance adjustment mechanism 1a according to the first embodiment shown in FIG. 1 in that the first distance adjustment apparatus is replaced with the first distance adjustment apparatus 2a. 2b is provided. Other configurations are the same as those of the interval adjusting mechanism 1a according to the first embodiment. At least a pair of the first interval adjusting devices 2b are arranged with a predetermined interval between the transport rail 4 and the gantry 5 like the first interval adjusting device 2a of the interval adjusting mechanism 1a according to the first embodiment. Here, a pair of 1st space | interval adjustment apparatuses 2b are arrange | positioned in the both ends 10 between the conveyance rail 4 and the mount frame 5, and the 2nd space | interval adjustment apparatus 3a is set in the center part 11 between the conveyance rail 4 and the mount frame 5. It is arranged.

つぎに、第一間隔調整装置２ｂにおいて、組立ボルト３４を、第一間隔調整装置２ｂのブラケット３２の表面３２０側からブラケット３２に設けられた座繰り貫通穴３２３に挿入し、架台５の表面５０に設けられた図示していないネジ穴に螺合させる。これにより、第一間隔調整装置２ｂのブラケット３２を架台５の表面５０に取り付ける。このとき、ブラケット３２が段付きシャフト２６に仮止めされているならば、円筒ネジ３５をＲ方向の反対方向に回転させて、円筒ネジ３５による段付きシャフト２６の締め付けを緩めておく。 Next, in the first interval adjusting device 2b, the assembly bolt 34 is inserted into the countersunk through hole 323 provided in the bracket 32 from the surface 320 side of the bracket 32 of the first interval adjusting device 2b, and the surface 50 of the gantry 5 is inserted. And screwed into a screw hole not shown. Thereby, the bracket 32 of the first interval adjusting device 2b is attached to the surface 50 of the gantry 5. At this time, if the bracket 32 is temporarily fixed to the stepped shaft 26, the cylindrical screw 35 is rotated in the direction opposite to the R direction to loosen the tightening of the stepped shaft 26 by the cylindrical screw 35.

本実施の形態によれば、第一間隔調整装置２ｂに円筒ネジ３５を設けたことにより、第一間隔調整装置２ｂにおいて、搬送フレーム４と架台５との間隔ｈのおおよその調整は、円筒ネジ３５で行い、最終的な微調整のみを差動ネジ２０で行うことができる。したがって、搬送フレーム４と架台５との間隔ｈをより迅速に調整することができる。その他の効果は、第一実施の形態と同様である。 According to this embodiment, by providing the cylindrical thread 35 on the first between 隔調 integer unit 2b, the first gap adjusting device 2b, the approximate adjustment of the distance h between the conveyor frame 4 and frame 5, Only the final fine adjustment can be performed with the differential screw 20 with the cylindrical screw 35. Accordingly, the distance h between the transport frame 4 and the gantry 5 can be adjusted more quickly. Other effects are the same as those of the first embodiment.

図示するように、本実施の形態に係る間隔調整機構１ｃが図１に示す第一実施の形態に係る間隔調整機構１ａと異なる点は、第一間隔調整装置２ａに代えて第一間隔調整装置２ｃを設けた点にある。その他の構成は第一実施形態に係る間隔調整機構１ａと同様である。第一間隔調整装置２ｃは、第一実施形態に係る間隔調整機構１ａの第一間隔調整装置２ａと同様、搬送レール４と架台５との間に所定の間隔をおいて少なくとも一対配置される。ここでは、一対の第一間隔調整装置２ｃを搬送レール４と架台５との間の両端部１０に配置し、第二間隔調整装置３ａを搬送レール４と架台５との間の中央部１１に配置している。 As shown in the figure, the interval adjusting mechanism 1c according to the present embodiment is different from the interval adjusting mechanism 1a according to the first embodiment shown in FIG. 1 in that the first interval adjusting device is replaced with the first interval adjusting device 2a. 2c is provided. Other configurations are the same as those of the interval adjusting mechanism 1a according to the first embodiment. At least a pair of the first interval adjusting devices 2c are arranged with a predetermined interval between the transport rail 4 and the gantry 5 like the first interval adjusting device 2a of the interval adjusting mechanism 1a according to the first embodiment. Here, a pair of 1st space | interval adjustment apparatuses 2c are arrange | positioned in the both ends 10 between the conveyance rail 4 and the mount frame 5, and the 2nd space | interval adjustment apparatus 3a is set in the center part 11 between the conveyance rail 4 and the mount frame 5. It is arranged.

本実施の形態によれば、第一間隔調整装置２ｃにおいて、差動ネジ２７の第二のネジ部２７２をブラケット２８のネジ穴２８２に螺合させることにより、差動ネジ２７およびブラケット２８間に介在するシャフト（図１に示す第一間隔調整装置２ａのシャフト２１参照）を第一間隔調整装置２ｃから省略している。これにより、部品点数を削減できる。したがって、コストを低減することができるとともに、作業性を向上させることができる。その他の効果は、第一実施の形態と同様である。 According to the present embodiment, the first between 隔調 integer unit 2c, by screwing the second screw portion 272 of the differential screw 27 into the screw hole 282 of the bracket 28, the differential screw 27 and the bracket 28 An intervening shaft (see the shaft 21 of the first interval adjusting device 2a shown in FIG. 1) is omitted from the first interval adjusting device 2c. Thereby, the number of parts can be reduced. Therefore, costs can be reduced and workability can be improved. Other effects are the same as those of the first embodiment.

図示するように、本実施の形態に係る間隔調整機構１ｄが図１に示す第一実施の形態に係る間隔調整機構１ａと異なる点は、第一間隔調整装置２ａに代えて第一間隔調整装置２ｄを設けた点、および第二間隔調整装置３ａに代えて第二間隔調整装置３ｄを用いた点にある。第一間隔調整装置２ｄは、第一実施の形態に係る間隔調整機構１ａの第一間隔調整装置２ａと同様、搬送レール４と架台５との間に所定の間隔をおいて少なくとも一対配置される。また、第二間隔調整装置３ｄは、第一実施の形態に係る間隔調整機構１ａの第二間隔調整装置３ａと同様、一対の第一間隔調整装置２ｄ間に配置される。ここでは、一対の第一間隔調整装置２ｄを搬送レール４と架台５との間の両端部１０に配置し、第二間隔調整装置３ｄを搬送レール４と架台５との間の中央部１１に配置している。 As shown in the figure, the interval adjusting mechanism 1d according to the present embodiment is different from the interval adjusting mechanism 1a according to the first embodiment shown in FIG. 1 in that the first interval adjusting device is replaced with the first interval adjusting device 2a. 2d is provided, and the second interval adjusting device 3a is used in place of the second interval adjusting device 3a. At least a pair of the first interval adjusting devices 2d are arranged with a predetermined interval between the transport rail 4 and the gantry 5 like the first interval adjusting device 2a of the interval adjusting mechanism 1a according to the first embodiment. . Moreover, the 2nd space | interval adjustment apparatus 3d is arrange | positioned between a pair of 1st space | interval adjustment apparatuses 2d similarly to the 2nd space | interval adjustment apparatus 3a of the space | interval adjustment mechanism 1a which concerns on 1st embodiment. Here, the pair of first distance adjusting devices 2d are arranged at both end portions 10 between the transport rail 4 and the gantry 5, and the second distance adjusting device 3d is disposed at the central portion 11 between the transport rail 4 and the gantry 5. It is arranged.

つぎに、第二間隔調整装置３ｄの差動ネジ３６のスパナ掛け部３６３をスパナで把持して、差動ネジ３６を回転させることにより、差動ネジ３６の回転数と差動ネジ３６の第一のネジ部３６１および第二のネジ部３６２間のピッチ差分との積により定まる調整量分、第二間隔調整装置３ｄの配置位置における搬送フレーム４と架台５との間隔ｈを増減して、この間隔ｈを所定の長さに調整する。 Then, a wrench portion 363 of the differential screw 36 of the second gap adjustment device 3d and lifting bunch with a wrench by rotating the differential screw 36, the rotational speed and the differential screw 36 of the differential screw 36 adjustment amount determined by the product of the first threaded portion 36 1 and the second pitch difference between the threaded portion 36 2, the distance h between the conveyor frame 4 and frame 5 in the arrangement position of the second gap adjustment device 3 d By increasing or decreasing, this interval h is adjusted to a predetermined length.

本実施の形態によれば、第一間隔調整装置２ｄにおいて、差動ネジ２９のスパナ掛け部２９３をスパナで把持させて、差動ネジ２９を回転させることにより、第一間隔調整装置２ｄの配置位置における搬送フレーム４と架台５との間隔ｈを調整することができるので、差動ネジ２９の一方の端面２９０にレンチ挿入用穴を設ける必要がなく、したがって、搬送レール４の表面４０に、このレンチ挿入用穴にレンチを挿入するための穴を設ける必要がない。これにより、搬送レール４の表面（搬送面）４０をより平坦にすることができ、搬送の精度を向上させることができる。その他の効果は、第一および第三実施の形態と同様である。 According to the present embodiment, the first between 隔調 integer unit 2d, a wrench portion 293 of the differential screw 29 by gripping with a wrench by rotating the differential screw 29, the first gap adjusting device 2d Therefore, it is not necessary to provide a wrench insertion hole on one end face 290 of the differential screw 29, and accordingly, the surface 40 of the transport rail 4 can be adjusted. In addition, it is not necessary to provide a hole for inserting a wrench in the wrench insertion hole. Thereby, the surface (conveyance surface) 40 of the conveyance rail 4 can be made more flat, and the precision of conveyance can be improved. Other effects are the same as those of the first and third embodiments.

図示するように、本実施の形態に係る間隔調整機構１ｅが図１に示す第一実施の形態に係る間隔調整機構１ａと異なる点は、第一間隔調整装置２ａに代えて第一間隔調整装置２ｅを設けた点、および第二間隔調整装置３ａに代えて第二間隔調整装置３ｅを用いた点にある。第一間隔調整装置２ｅは、第一実施の形態に係る間隔調整機構１ａの第一間隔調整装置２ａと同様、搬送レール４と架台５との間に所定の間隔をおいて少なくとも一対配置される。また、第二間隔調整装置３ｅは、第一実施の形態に係る間隔調整機構１ａの第二間隔調整装置３ａと同様、一対の第一間隔調整装置２ｅ間に配置される。ここでは、一対の第一間隔調整装置２ｅを搬送レール４と架台５との間の両端部１０に配置し、第二間隔調整装置３ｅを搬送レール４と架台５との間の中央部１１に配置している。 As shown in the figure, the interval adjusting mechanism 1e according to the present embodiment is different from the interval adjusting mechanism 1a according to the first embodiment shown in FIG. 1 in that the first interval adjusting device is replaced with the first interval adjusting device 2a. 2e, and the second interval adjusting device 3e is used in place of the second interval adjusting device 3a. At least a pair of the first interval adjusting devices 2e are arranged with a predetermined interval between the transport rail 4 and the gantry 5 like the first interval adjusting device 2a of the interval adjusting mechanism 1a according to the first embodiment. . Moreover, the 2nd space | interval adjustment apparatus 3e is arrange | positioned between a pair of 1st space | interval adjustment apparatuses 2e similarly to the 2nd space | interval adjustment apparatus 3a of the space | interval adjustment mechanism 1a which concerns on 1st embodiment. Here, a pair of 1st space | interval adjustment apparatuses 2e are arrange | positioned in the both ends 10 between the conveyance rail 4 and the mount frame 5, and the 2nd space | interval adjustment apparatus 3e is arranged in the center part 11 between the conveyance rail 4 and the mount frame 5. It is arranged.

つぎに、組立ボルト２４を、第一間隔調整装置２ｅのブラケット２８の表面２８０側からブラケット２８に設けられた座繰り貫通穴２８３に挿入し、架台５の表面５０に設けられた図示していないネジ穴に螺合させる。これにより、ブラケット２８を架台５の表面５０に取り付ける。同様に、組立ボルト３４を、第二間隔調整装置３ｅのブラケット３２の表面３２０側からブラケット３２に設けられた座繰り貫通穴３２３に挿入し、架台５の表面５０に設けられた図示していないネジ穴に螺合させる。これにより、ブラケット３２を架台５の表面５０に取り付ける。このとき、ブラケット３２にシャフト３１が仮止めされているならば、円筒ネジ３５をＲ方向の反対方向に回転させて、円筒ネジ３５によるシャフト３１の締め付けを緩めておく。 Next, the assembly bolt 24 is inserted into the countersink through hole 283 provided in the bracket 28 from the surface 280 side of the bracket 28 of the first interval adjusting device 2e, and is not shown provided on the surface 50 of the mount 5. Screw it into the screw hole. Thereby, the bracket 28 is attached to the surface 50 of the mount 5. Similarly, the assembly bolt 34 is inserted into the counterbore through hole 323 provided in the bracket 32 from the surface 320 side of the bracket 32 of the second interval adjusting device 3e, and is not shown provided on the surface 50 of the gantry 5. Screw it into the screw hole. Thereby, the bracket 32 is attached to the surface 50 of the gantry 5. At this time, if the shaft 31 to the bracket 32 is temporarily fixed, the cylinder screw 35 is rotated in the opposite direction of the direction R, previously loosened tightening of the shaft 31 by the cylinder screw 35.

本実施の形態によれば、ブラケット６０およびブラケット３７を介して搬送レール４の裏面４１に、第一間隔調整装置２ｅおよび第二間隔調整装置３ｅを取り付けるようにしているので、図１に示す搬送レール４にあるようなネジ穴４２、４３の追加加工を施すことなく、第一間隔調整装置２ｅおよび第二間隔調整装置３ｅの設置位置を調節することができる。その他の効果は、第一、第三および第四実施の形態と同様である。 According to the present embodiment, since the first interval adjusting device 2e and the second interval adjusting device 3e are attached to the back surface 41 of the conveying rail 4 via the bracket 60 and the bracket 37, the conveying shown in FIG. The installation positions of the first interval adjusting device 2e and the second interval adjusting device 3e can be adjusted without additional processing of the screw holes 42 and 43 as in the rail 4 . Other effects are the same as those of the first, third and fourth embodiments.

図示するように、本実施の形態に係る間隔調整機構１ｆが図１に示す第一実施の形態に係る間隔調整機構１ａと異なる点は、第一間隔調整装置２ａに代えて第一間隔調整装置２ｆを設けた点、および第二間隔調整装置３ａに代えて第三間隔調整装置３ｆを用いた点にある。第一間隔調整装置２ｆは、第一実施の形態に係る間隔調整機構１ａの第一間隔調整装置２ａと同様、搬送レール４と架台５との間に所定の間隔をおいて少なくとも一対配置される。また、第二間隔調整装置３ｆは、第一実施の形態に係る間隔調整機構１ａの第二間隔調整装置３ａと同様、一対の第一間隔調整装置２ｆ間に配置される。ここでは、一対の第一間隔調整装置２ｆを搬送レール４と架台５との間の両端部１０に配置し、第二間隔調整装置３ｆを搬送レール４と架台５との間の中央部１１に配置している。 As shown in the figure, the interval adjusting mechanism 1f according to the present embodiment is different from the interval adjusting mechanism 1a according to the first embodiment shown in FIG. 1 in that the first interval adjusting device is replaced with the first interval adjusting device 2a. 2f is provided, and the third interval adjusting device 3f is used instead of the second interval adjusting device 3a. At least a pair of the first interval adjusting devices 2f are arranged with a predetermined interval between the transport rail 4 and the gantry 5 like the first interval adjusting device 2a of the interval adjusting mechanism 1a according to the first embodiment. . Moreover, the 2nd space | interval adjustment apparatus 3f is arrange | positioned between a pair of 1st space | interval adjustment apparatuses 2f similarly to the 2nd space | interval adjustment apparatus 3a of the space | interval adjustment mechanism 1a which concerns on 1st embodiment. Here, the pair of first interval adjusting devices 2f are arranged at both end portions 10 between the transport rail 4 and the gantry 5, and the second interval adjusting device 3f is disposed at the central portion 11 between the transport rail 4 and the gantry 5. It is arranged.

第二間隔調整装置３ｆは、差動ネジ３６と、差動ネジ３６を搬送レール４の裏面４１に取り付けるためのブラケット３７と、差動ネジ３６と軸心方向に連結されたシャフト３１と、架台５の表面５０に取り付けられるブラケット３２と、シャフト３１をブラケット３２に連結する円筒ネジ３５と、コイルスプリング６４と、スプリングパッド兼ガイド６５と、を備えている。ここで、差動ネジ３６は、第四実施の形態に係る間隔調整機構１ｄの第二間隔調整装置３ｄに用いられる差動ネジ３６と同じものであり、シャフト３１、ブラケット３２、および円筒ネジ３５は、第一実施の形態に係る間隔調整機構１ａの第二間隔調整装置３ａに用いられるシャフト３１、ブラケット３２、および円筒ネジ３５と同じものであり、そして、ブラケット３７は、第五実施の形態に係る間隔調整機構１ｅの第二間隔調整装置３ｅに用いられるブラケット３７と同じものである。 The second gap adjusting device 3f includes a differential screw 36, a bracket 37 for attaching the differential screw 36 to the back surface 41 of the transport rail 4, a shaft 31 connected to the differential screw 36 in the axial direction, a gantry 5, a bracket 32 that is attached to the surface 50, a cylindrical screw 35 that connects the shaft 31 to the bracket 32, a coil spring 64, and a spring pad and guide 65. Here, the differential screw 36 is the same as the differential screw 36 used in the second distance adjusting device 3d of the distance adjusting mechanism 1d according to the fourth embodiment, and includes the shaft 31, the bracket 32, and the cylindrical screw 35. These are the same as the shaft 31, the bracket 32, and the cylindrical screw 35 used in the second distance adjusting device 3a of the distance adjusting mechanism 1a according to the first embodiment, and the bracket 37 is the fifth embodiment. This is the same as the bracket 37 used in the second interval adjusting device 3e of the interval adjusting mechanism 1e according to the above.

つぎに、第二間隔調整装置３ｆの円筒ネジ３５を、第二間隔調整装置３ｆのブラケット３２の表面３２０側からブラケット３２に設けられたネジ穴３２２に螺合させる。このとき、円筒ネジ３５がブラケット３２から抜け落ちない程度の緩めに螺合させる。それから、第二間隔調整装置３ｆのシャフト３１の他方の端面３１１を、ブラケット３２の表面３２０側からブラケット３２のネジ穴３２２に螺合させた円筒ネジ３５に挿入する。これにより、ブラケット３２のネジ穴３２に挿入された円筒ネジ３５に、シャフト３１がスライド自在に装着される。このとき、円筒ネジ３５をＲ方向に回転させて、ブラケット３２にシャフト３１を仮止めしてもよい（図３参照）。この場合、第二間隔調整装置３ｆの搬送レール４の裏面４１からブラケット３２の裏面３２１までの距離が第一間隔調整装置２ｆの搬送レール４の裏面４１からブラケット２８の裏面２８１までの距離より短くなる位置において、ブラケット３２にシャフト３１を仮止めする。 Next, the cylindrical screw 35 of the second interval adjusting device 3f is screwed into the screw hole 322 provided in the bracket 32 from the surface 320 side of the bracket 32 of the second interval adjusting device 3f. At this time, the cylindrical screw 35 is screwed so as not to fall off the bracket 32. Then, the other end surface 311 of the shaft 31 of the second distance adjusting device 3 f is inserted into the cylindrical screw 35 screwed into the screw hole 322 of the bracket 32 from the surface 320 side of the bracket 32. Thereby, the shaft 31 is slidably mounted on the cylindrical screw 35 inserted in the screw hole 32 of the bracket 32. At this time, the shaft 31 may be temporarily fixed to the bracket 32 by rotating the cylindrical screw 35 in the R direction (see FIG. 3). In this case, the distance from the back surface 41 of the conveyance rail 4 of the second interval adjusting device 3f to the back surface 321 of the bracket 32 is shorter than the distance from the back surface 41 of the conveyance rail 4 of the first interval adjusting device 2f to the back surface 281 of the bracket 28. The shaft 31 is temporarily fixed to the bracket 32 at the position.

つぎに、組立ボルト２４を、第一間隔調整装置２ｆのブラケット２８の表面２８０側からブラケット２８に設けられた座繰り貫通穴２８３に挿入し、架台５の表面５０に設けられた図示していないネジ穴に螺合させる。これにより、ブラケット２８を架台５の表面５０に取り付ける。同様に、組立ボルト３４を、第二間隔調整装置３ｆのブラケット３２の表面３２０側からブラケット３２に設けられた座繰り貫通穴３２３に挿入し、架台５の表面５０に設けられた図示していないネジ穴に螺合させる。これにより、ブラケット３２を架台５の表面５０に取り付ける。このとき、ブラケット３２にシャフト３１が仮止めされているならば、円筒ネジ３５をＲ方向の反対方向に回転させて、円筒ネジ３５によるシャフト３１の締め付けを緩めておく。 Next, the assembly bolt 24 is inserted into the counterbore through hole 283 provided in the bracket 28 from the surface 280 side of the bracket 28 of the first interval adjusting device 2f, and is not shown provided on the surface 50 of the mount 5. Screw it into the screw hole. Thereby, the bracket 28 is attached to the surface 50 of the mount 5. Similarly, the assembly bolt 34 is inserted into the countersink through hole 323 provided in the bracket 32 from the surface 320 side of the bracket 32 of the second distance adjusting device 3f, and is not shown provided on the surface 50 of the gantry 5. Screw it into the screw hole. Thereby, the bracket 32 is attached to the surface 50 of the gantry 5. At this time, if the shaft 31 to the bracket 32 is temporarily fixed, the cylinder screw 35 is rotated in the opposite direction of the direction R, previously loosened tightening of the shaft 31 by the cylinder screw 35.

図１０は、円筒ネジ３５を用いたブラケット３２にシャフト３１を固定するための機構の変形例を説明するための図である。この変形例が図３に示すものと異なる点は、ブラケット３２に代えてブラケット３２ａを設けた点である。また、ブラケット３２ａが図３に示すブラケット３２と異なる点は、ネジ穴３２２に代えて、大径部３２６および小径部３２７を有するネジ穴３２２ａを設けた点である。ネジ穴３２２ａの大径部３２６は、ブラケット３２ａの表面３２０側に設けられ、円筒ネジ３５のすり割りネジ部３５１のネジ山３５７と螺合するネジ溝３２４が形成されている。ネジ穴３２２ａの小径部３２７は、ブラケット３２ａの裏面３２１側に設けられ、円筒ネジ３５のすり割りネジ部３５１の外径より小さく、かつシャフト３１の外径より大きい内径を有している。 FIG. 10 is a view for explaining a modified example of a mechanism for fixing the shaft 31 to the bracket 32 using the cylindrical screw 35. That this modification is different from that shown in FIG. 3, in that a bracket 32a in place of the bracket 32. Further, the bracket 32 a is different from the bracket 32 shown in FIG. 3 in that a screw hole 322 a having a large diameter portion 326 and a small diameter portion 327 is provided in place of the screw hole 322. The large-diameter portion 326 of the screw hole 322a is provided on the surface 320 side of the bracket 32a, and a screw groove 324 that is screwed with the screw thread 357 of the slotted screw portion 351 of the cylindrical screw 35 is formed. The small diameter portion 327 of the screw hole 322a is provided on the back surface 321 side of the bracket 32a, and has an inner diameter smaller than the outer diameter of the slotted screw portion 351 of the cylindrical screw 35 and larger than the outer diameter of the shaft 31.

図示するように、円筒ネジ３５をブラケット３２ａのネジ穴３２２ａにブラケット３２ａの表面３２０側から挿入し、その後、シャフト３１を円筒ネジ２５に円筒ネジ３５の鍔部３５５側から挿入して、図示していないスパナで円筒ネジ３５の鍔部３５５を把持して所定の回転方向Ｒに回転させると、円筒ネジ３５がブラケット３２ａのネジ穴３２２ａにねじ込まれて、円筒ネジ３５の円筒ネジ本体３５０の端面３５８がブラケット３２ａのネジ穴３２２ａの大径部３２６と小径部３２７との段差面３２８と当接し、ブラケット３２ａのネジ穴３２２ａに対する円筒ネジ３５の最大ねじ込み量が規制される。その後も円筒ネジ３５を回転方向Ｒに回転させると、すり割りネジ部３５１のネジ山３５７とブラケット３２ａのネジ穴３２２ａのネジ溝３２４とが圧接され、ネジ山３５７およびネジ溝３２４の傾斜によりその圧接力Ｐの一部Ｐｘが円筒ネジ３５の径方向内側に向かう。これにより、円筒ネジ本体３５０の他方の端部３５４側が円筒ネジ３５の径方向内側に移動して、円筒ネジ３５に挿入されたシャフト３１を締め付ける。 As shown in the drawing, the cylindrical screw 35 is inserted into the screw hole 322a of the bracket 32a from the surface 320 side of the bracket 32a, and then the shaft 31 is inserted into the cylindrical screw 25 from the flange 355 side of the cylindrical screw 35. When the flange 355 of the cylindrical screw 35 is gripped by a non-spanner and rotated in a predetermined rotation direction R, the cylindrical screw 35 is screwed into the screw hole 322a of the bracket 32a, and the end surface of the cylindrical screw main body 350 of the cylindrical screw 35 358 contacts the stepped surface 328 of the large diameter portion 326 and the small diameter portion 327 of the screw hole 322a of the bracket 32a, and the maximum screwing amount of the cylindrical screw 35 into the screw hole 322a of the bracket 32a is regulated. Thereafter, when the cylindrical screw 35 is rotated in the rotation direction R, the screw thread 357 of the slotted screw portion 351 and the screw groove 324 of the screw hole 322a of the bracket 32a are pressed against each other, and the inclination of the screw thread 357 and the screw groove 324 causes that A part Px of the pressure contact force P is directed radially inward of the cylindrical screw 35. As a result, the other end 354 side of the cylindrical screw main body 350 moves inward in the radial direction of the cylindrical screw 35, and the shaft 31 inserted into the cylindrical screw 35 is tightened.

JP2014035363A 2014-02-26 2014-02-26 Fixing mechanism Active JP6285209B2 (en)

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